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Demel R, Lindblom G, Rilfors L
Packing of a triacylglucolipid from the membrane of Acholeplasma laidlawii strain A at the air/water interface
Biochimica et Biophysica Acta 1190 (1994)
416-420
Acholeplasma laidlawii A-EF22
(Ancestor NCBI TaxID 2148,
species name lookup)
Taxonomic group: bacteria / Tenericutes
(Phylum: Tenericutes)
NCBI PubMed ID: 8142444Publication DOI: 10.1016/0005-2736(94)90102-3Journal NLM ID: 0217513Publisher: Elsevier
Institutions: Department of Biochemistry of Membranes, University of Utrecht, Utrecht, The Netherlands
Pressure-area curves were generated at 22 degrees C and 40 degrees C for three glucolipids isolated from Acholeplasma laidlawii strain A-EF22. The glucolipids are 1,2-diacyl-3-O-(α-D-glucopyranosyl)-sn-glycerol (MGlcDAG), 1,2-diacyl-3-O-[α-D-glucopyranosyl-(1→2)-O-α-D-glucopyranosyl]-sn-glycerol (DGlcDAG), and 1,2-diacyl-3-O-[3-O-acyl-(α-D-glucopyranosyl)]-sn-glycerol (MAMGlc-DAG). The curves for MGlcDAG and DGlcDAG are characteristic for monolayers in a liquid phase at both temperatures. MGlcDAG has a smaller molecular area at all surface pressures compared to DGlcDAG. At 22 degrees C MAMGlcDAG shows a phase transition at 13 mN/m. However, at 40 degrees C the pressure-area curve for this lipid is characteristic for a monolayer in a liquid state. Mixed MAMGlcDAG-DGlcDAG and MGlcDAG-DGlcDAG monolayers showed no significant deviation from the additivity rule at 40 degrees C. The area per acyl chain is nearly the same for MAMGlcDAG and MGlcDAG. Our study supports our previous results that aqueous dispersions of these lipids form non-lamellar, reversed aggregates.
Structure type: oligomer
Location inside paper: abstract
Trivial name: diglucosyldiacylglycerol, DGlcDAG
Compound class: glycolipid
Contained glycoepitopes: IEDB_142488,IEDB_144998,IEDB_146664,IEDB_161523,IEDB_232584,IEDB_983931,SB_192
Methods: monolayer technique
Comments, role: LIP is mainly (77%) oleic acid
Related record ID(s): 209437, 259437
NCBI Taxonomy refs (TaxIDs): 2148Reference(s) to other database(s): CCSD:
32759, CBank-STR:2738
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Demel R, Lindblom G, Rilfors L
Packing of a triacylglucolipid from the membrane of Acholeplasma laidlawii strain A at the air/water interface
Biochimica et Biophysica Acta 1190 (1994)
416-420
Acholeplasma laidlawii A-EF22
(Ancestor NCBI TaxID 2148,
species name lookup)
Taxonomic group: bacteria / Tenericutes
(Phylum: Tenericutes)
NCBI PubMed ID: 8142444Publication DOI: 10.1016/0005-2736(94)90102-3Journal NLM ID: 0217513Publisher: Elsevier
Institutions: Department of Biochemistry of Membranes, University of Utrecht, Utrecht, The Netherlands
Pressure-area curves were generated at 22 degrees C and 40 degrees C for three glucolipids isolated from Acholeplasma laidlawii strain A-EF22. The glucolipids are 1,2-diacyl-3-O-(α-D-glucopyranosyl)-sn-glycerol (MGlcDAG), 1,2-diacyl-3-O-[α-D-glucopyranosyl-(1→2)-O-α-D-glucopyranosyl]-sn-glycerol (DGlcDAG), and 1,2-diacyl-3-O-[3-O-acyl-(α-D-glucopyranosyl)]-sn-glycerol (MAMGlc-DAG). The curves for MGlcDAG and DGlcDAG are characteristic for monolayers in a liquid phase at both temperatures. MGlcDAG has a smaller molecular area at all surface pressures compared to DGlcDAG. At 22 degrees C MAMGlcDAG shows a phase transition at 13 mN/m. However, at 40 degrees C the pressure-area curve for this lipid is characteristic for a monolayer in a liquid state. Mixed MAMGlcDAG-DGlcDAG and MGlcDAG-DGlcDAG monolayers showed no significant deviation from the additivity rule at 40 degrees C. The area per acyl chain is nearly the same for MAMGlcDAG and MGlcDAG. Our study supports our previous results that aqueous dispersions of these lipids form non-lamellar, reversed aggregates.
Structure type: oligomer
Location inside paper: abstract
Trivial name: MGlcDAG, glycoglycerolipid, glycosylglycerolipid
Compound class: glycolipid, glycoglycerolipid
Contained glycoepitopes: IEDB_142488,IEDB_144998,IEDB_146664,IEDB_983931,SB_192
Methods: monolayer technique
Comments, role: LIP is mainly (47%) oleic acid
Related record ID(s): 109437, 259437
NCBI Taxonomy refs (TaxIDs): 2148Reference(s) to other database(s): CCSD:
47544, CBank-STR:1553
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There is only one chemically distinct structure:
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Demel R, Lindblom G, Rilfors L
Packing of a triacylglucolipid from the membrane of Acholeplasma laidlawii strain A at the air/water interface
Biochimica et Biophysica Acta 1190 (1994)
416-420
Acholeplasma laidlawii A-EF22
(Ancestor NCBI TaxID 2148,
species name lookup)
Taxonomic group: bacteria / Tenericutes
(Phylum: Tenericutes)
NCBI PubMed ID: 8142444Publication DOI: 10.1016/0005-2736(94)90102-3Journal NLM ID: 0217513Publisher: Elsevier
Institutions: Department of Biochemistry of Membranes, University of Utrecht, Utrecht, The Netherlands
Pressure-area curves were generated at 22 degrees C and 40 degrees C for three glucolipids isolated from Acholeplasma laidlawii strain A-EF22. The glucolipids are 1,2-diacyl-3-O-(α-D-glucopyranosyl)-sn-glycerol (MGlcDAG), 1,2-diacyl-3-O-[α-D-glucopyranosyl-(1→2)-O-α-D-glucopyranosyl]-sn-glycerol (DGlcDAG), and 1,2-diacyl-3-O-[3-O-acyl-(α-D-glucopyranosyl)]-sn-glycerol (MAMGlc-DAG). The curves for MGlcDAG and DGlcDAG are characteristic for monolayers in a liquid phase at both temperatures. MGlcDAG has a smaller molecular area at all surface pressures compared to DGlcDAG. At 22 degrees C MAMGlcDAG shows a phase transition at 13 mN/m. However, at 40 degrees C the pressure-area curve for this lipid is characteristic for a monolayer in a liquid state. Mixed MAMGlcDAG-DGlcDAG and MGlcDAG-DGlcDAG monolayers showed no significant deviation from the additivity rule at 40 degrees C. The area per acyl chain is nearly the same for MAMGlcDAG and MGlcDAG. Our study supports our previous results that aqueous dispersions of these lipids form non-lamellar, reversed aggregates.
Structure type: oligomer
Location inside paper: abstract
Trivial name: MAMGlc-DAG
Compound class: glycolipid
Contained glycoepitopes: IEDB_142488,IEDB_144998,IEDB_146664,IEDB_983931,SB_192
Methods: monolayer technique
Comments, role: LIP is mainly (85.9%) Pam
Related record ID(s): 109437, 209437
NCBI Taxonomy refs (TaxIDs): 2148
Show glycosyltransferases
There is only one chemically distinct structure:
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